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Finding the Fourth Proportional to 88,805.68, 133,093.69 and 66,443.60

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Solution

The fourth proportional to 88,805.68, 133,093.69 and 66,443.60 is: 99,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,805.68 : 133,093.69 = 66,443.60 : x
  2. Step 2: Convert to fraction form
    88,805.68/133,093.69 = 66,443.60/x
  3. Step 3: Cross multiply
    88,805.68x = 133,093.69 × 66,443.60
  4. Step 4: Simplify right side
    88,805.68x = 8,843,223,568.67
  5. Step 5: Solve for x
    x = 8,843,223,568.67/88,805.68
  6. Step 6: Final answer
    x = 99,579.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.